Which of the Following Is NOT a Function of the Mg²⁺

question 64

Multiple Choice

Which of the following is NOT a function of the Mg²⁺ ions in the mechanism of enolase?

• A) orientation of substrate in the active site
• B) stabilizing the intermediate
• C) making the proton at the C-2 position more acidic
• D) electrophilic attack on the scissile bond

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Definitions:

Unit Contribution Margin

The difference between the selling price per unit and the variable cost per unit of a product, indicating how much each unit sold contributes to covering fixed costs and generating profit.

Break-even

The situation in which complete costs equate to total revenues, achieving a break-even point with no gains or losses.

Unit Sales

The number of individual units sold by a company during a specific period.

Degree of Operating Leverage

A measure of how sensitive a company's operating income is to a change in sales, indicating the extent to which fixed costs are used in the production process.